Zvikov Castle is built on a rock above Vltava/ Moldau river, an impressing dark river which is dammed here. A boat connects Zvikov and Orlik Castle.
Bedrych Smetana wrot a famous part of Music “MaVlast-The Vltava” which I can recommend to listen while looking at this photograph

During my tour through the Czech Republik I also stayed in Prague and could climb oine of the towers at the Karlsbücke, it was already quite dark and I set my camera on a long time exposition, later changed the photo to an HDR and then I added my usual filters for a painting atmosphere.